[Clinical studies on gastric urease and the serum-urease precipitation (by Freisinger)].
D000641:Ammonia / Q000032:analysis; D005750:Gastric Juice / Q000032:analysis; D005753:Gastric Mucosa / Q000201:enzymology; D006801:Humans; D007122:Immunoelectrophoresis; D013270:Stomach / Q000201:enzymology*; D014510:Urease / Q000097:blood / Q000378:metabolism*
D000641:Ammonia; D014510:Urease